485VAC - 750VDC 20mm Varistor - 20D751K is a high-performance component designed to safeguard your electronic circuits from unexpected voltage spikes and surges. With its robust design, this Varistor ensures reliable protection for both AC and DC applications, featuring a wide voltage range from 485VAC to 750VDC. The 20mm size offers optimal balance between compactness and performance, making it an ideal choice for modern electronic systems. Its superior thermal stability and rapid response to transient over-voltages make it an indispensable component in the realm of circuit protection.